UMP Modified:
Right Front, Left Front & Left Rear Tires: Hoosier “M30S” ONLY!
Right Rear Tire: Hoosier M30S or M60 ONLY!No Grooving Allowed! Siping permitted on M60 when used as a right rear.
Maximum width of tire will be 9 inches.
No treated tires/ tire prep/soaking /solicitation of tire preps/ possession of tire preps allowed.
Tire sniffing –sample testing or confiscation of tires will be at the Race Directors discretion.

Bead locks on Right Side ONLY!
Wheel discs shall be fastened to the wheel using a minimum or three (3) – 5/16 inch or three (3) 1/4 inch diameter magnetic steel hex head bolts!
As an option, a wheel disc mounted with a minimum of five (5) Zeus fasteners may be used.
The use of Wheel discs with any other type of fastener will not be permitted.

UMP Pro Modified:
Hoosier E-Mod 26.5 or 27.5 “M30S, A40S, H40 & M60” Compound ONLY!
M60 and H40 may be used as a right rear option ONLY!
NO grooving any tires! Siping permitted on M60 when used as a right rear.
Maximum width of tire will be 9 inches.
E-Mod “A40S” – Must durometer 50 minimum before race
E-Mod “H40” – Must durometer 60 minimum before race
No treated tires/ tire prep/soaking /solicitation of tire preps/ possession of tire preps allowed.
Tire sniffing –sample testing or confiscation of tires will be at the Race Directors discretion.

Bead locks on Right Side ONLY!
Wheel discs shall be fastened to the wheel using a minimum or three (3) – 5/16 inch or three (3) 1/4 inch diameter magnetic steel hex head bolts!
As an option, a wheel disc mounted with a minimum of five (5) Zeus fasteners may be used.
The use of Wheel discs with any other type of fastener will not be permitted.